A - Human Necessities – 61 – M
Patent
A - Human Necessities
61
M
A61M 5/32 (2006.01)
Patent
CA 2183252
The present invention relates to a security device for a syringe used in dentistry, consisting of a tubular sleeve inside which is provided a needle holder (2) axially movable between an advanced position wherein the needle (7) goes beyond the distal end of the tubular sleeve (1) and a retracted position wherein the needle (7) is fully retracted in the tubular sleeve (1). The tubular sleeve (1) has an internal section corresponding substantially to the external section of the syringe body (26), means (9, 30) for limiting the displacement of the needle holder (2) in the forward direction and at its rear part a second locking means (10, 36) providing for the passage of the needle holder (2) in a rearwards direction and preventing the return of the needle carrier into an advanced position.
La présente invention concerne un dispositif de sécurité pour seringue à usage dentaire, constitué par un manchon tubulaire à l'intérieur duquel est prévu un porte-aiguille (2) mobile axialement entre une position avancée dans laquelle l'aiguille (7) dépasse l'extrémité distale du manchon tubulaire (1) et une position arrière dans laquelle l'aiguille (7) est entièrement rentrée dans le manchon tubulaire (1). Le manchon tubulaire (1) présente une section intérieure correspondant sensiblement à la section extérieure du corps de la seringue (26), des moyens (9, 30) pour limiter le déplacement du porte-aiguille (2) en direction avant et à sa partie arrière un second moyen de blocage (10, 36) permettant le passage du porte-aiguille (2) en direction arrière et empêchant le retour du porte-aiguille (2) en position avancée.
Jouvin Jean-Luc
Gowling Lafleur Henderson Llp
Jouvin Jean-Luc
LandOfFree
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